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Finding the Fourth Proportional to 334.14, 500.74 and 179.72

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Solution

The fourth proportional to 334.14, 500.74 and 179.72 is: 269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.14 : 500.74 = 179.72 : x
  2. Step 2: Convert to fraction form
    334.14/500.74 = 179.72/x
  3. Step 3: Cross multiply
    334.14x = 500.74 × 179.72
  4. Step 4: Simplify right side
    334.14x = 89,992.99
  5. Step 5: Solve for x
    x = 89,992.99/334.14
  6. Step 6: Final answer
    x = 269.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.